Hourly Weather | Today Monday, November 3, 2025
Stamford, Connecticut
12 PM
Cloudy Weather
59°
Feels Like 57°
41
Humidity: 64%
Wind: 12 mph
UV Index: 3
1 PM
Cloudy Weather
61°
Feels Like 57°
34
Humidity: 62%
Wind: 12 mph
UV Index: 1
2 PM
Cloudy Weather
59°
Feels Like 55°
34
Humidity: 64%
Wind: 12 mph
UV Index: 1
3 PM
Cloudy Weather
57°
Feels Like 55°
37
Humidity: 68%
Wind: 10 mph
UV Index: 1
4 PM
Rainy Weather
57°
Feels Like 52°
40
Humidity: 73%
Wind: 10 mph
UV Index: 0
5 PM
Cloudy Weather
57°
Feels Like 54°
37
Humidity: 74%
Wind: 9 mph
UV Index: 0
6 PM
Cloudy Weather
57°
Feels Like 54°
40
Humidity: 76%
Wind: 8 mph
UV Index: 0
7 PM
Rainy Weather
54°
Feels Like 46°
51
Humidity: 84%
Wind: 10 mph
UV Index: 0
8 PM
Cloudy Night
57°
Feels Like 52°
47
Humidity: 73%
Wind: 13 mph
UV Index: 0
9 PM
Cloudy Night
55°
Feels Like 50°
40
Humidity: 70%
Wind: 14 mph
UV Index: 0
10 PM
Cloudy Night
55°
Feels Like 48°
34
Humidity: 66%
Wind: 15 mph
UV Index: 0
11 PM
Cloudy Night
54°
Feels Like 46°
34
Humidity: 64%
Wind: 16 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 4.59 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.68 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.8 µg/m³
  • PM10: 5.11 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.9 µg/m³
  • PM10: 5.28 µg/m³
  • O3: 0.044 ppm
  • NO2: 3 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.09 µg/m³
  • PM10: 5.59 µg/m³
  • O3: 0.043 ppm
  • NO2: 4 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 6.34 µg/m³
  • O3: 0.041 ppm
  • NO2: 5.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.62 µg/m³
  • PM10: 7.6 µg/m³
  • O3: 0.040 ppm
  • NO2: 6 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 9.21 µg/m³
  • O3: 0.041 ppm
  • NO2: 6.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.05 µg/m³
  • PM10: 10.27 µg/m³
  • O3: 0.041 ppm
  • NO2: 6 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.31 µg/m³
  • PM10: 9.38 µg/m³
  • O3: 0.040 ppm
  • NO2: 5.5 ppb
  • SO2: 1.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.82 µg/m³
  • PM10: 6.36 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.